#! /usr/bin/env python
# -*- coding: utf-8 -*-


class BootStrap(object):
    # 排除应用列表
    bootstrap_class_exclude = []

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        for name, field in self.fields.items():
            if name in self.bootstrap_class_exclude:
                continue
            old_class = field.widget.attrs.get('class', '')
            field.widget.attrs['class'] = f"{old_class} form-control"
            field.widget.attrs['placeholder'] = f"请输入{field.label}"
